Create a binary wall
MATL, 5 bytes
B42*c
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Explanation
B % Implicitly input an array of numbers. Convert to binary.
% Gives a matrix with each row corresponding to a number
42 % Push 42 (ASCII code of '*')
* % Multiply
c % Convert to char. Char 0 is displayed as space. Implicitly display
J, 8 bytes
' *'{~#:
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Explanation
' *'{~#: Input: array of integers
#: Convert each to binary with left-padding
' *'{~ Use the digits to index into the string ' *'
Jelly, 9 bytes
Bo⁶Uz⁶ZUY
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EDIT: HOW J BEAT JELLY DAT IMPOSSIBLE >_<